Experimental and SPH study of cold spray impact on similar and dissimilar metals

Manap, Abreeza and Misran, Halina and Okabe, T and Ogawa, K and Omar, Nooririnah (2014) Experimental and SPH study of cold spray impact on similar and dissimilar metals. Surface Engineering, 30 (5). pp. 335-341. ISSN 02670844

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In this study, the critical, maximum and optimum velocity of a single cold sprayed (CS) particle is estimated using the smoothed particle hydrodynamics (SPH) method by evaluating the impact shape coefficient of restitution, as well as the rebound and deposit energy ratio. The contact surfaces of the particle and the substrate are modelled as intersurface forces using the Dugdale– Barenblatt cohesive zone model. The application of SPH allows the simulation of the CS process without the use of mesh, thereby avoiding the disadvantages of the traditional numerical method in handling large deformations and tracing moving interfaces. The impact of CS particles is simulated using various powder and substrate materials. The influence of the materials on the optimum velocity and the coating quality is discussed. The reliability of the model is verified with CS experiments.

Item Type: Article
Uncontrolled Keywords: cold spray, SPH, impact, bonding, modelling
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering Technology > Department of Manufacturing Engineering Technology
Depositing User: NOOR IRINAH OMAR
Date Deposited: 25 Jan 2016 03:01
Last Modified: 25 Jan 2016 03:04
URI: http://eprints.utem.edu.my/id/eprint/15712
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